Is it all a matter of size? Impact of maximization of surgical resection in cerebral tumors.

Neurosurg Rev. 2018 Mar 20. doi: 10.1007/s10143-018-0963-z. [Epub ahead of print]

Is it all a matter of size? Impact of maximization of surgical resection in cerebral tumors.


The oncological impact of cytoreductive surgery for malignant glioma has been analyzed in a few prospective, randomized studies; however, the impact of different cytoreductive surgical techniques of cerebral tumors remains controversial. Despite retrospective analyses revealing an oncological impact of complete surgical resection in cerebral metastases and lowgrade glioma, the oncological impact of further extension of resection to a supramarginal resection remains disputable lacking high-grade evidence: supramarginal resections have yet to be analyzed in malignant glioma. Although extension of resection towards a supramarginal resection was thought to improve outcome and prevent malignant transformation in lowgrade glioma, the rate of (temporary) deficits was higher than 50% in recent retrospective studies, and the oncological impact and long-term results have to be analyzed in further (prospective and controlled) studies. Cerebral metastases show a growth pattern different from glioma with less and more locally limited brain invasion. Therefore, local control may be achieved by extension of resection after complete lesionectomy of cerebral metastases. Therefore, supramarginal resection may be a promising approach but must be evaluated in further studies.


Cerebral metastasis; Glioblastoma; Lowgrade glioma; Malignant glioma; Resection; Supramarginal resection; Surgery









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